
package com.city.project.service;

import com.city.project.model.User;

import java.util.List;

public interface IUserService {

    public User getUserByUserName(String userName);
    List<User> getList() ;

    User getOne(int id) ;

    int insert(User user) ;

    int delete(int id) ;

    int update(User user) ;
}
